Christopher Heyman defeated Jelle Sels 6-2 5-7 7-6 in the Germany F16 qualifying round on carpet. The upset overturned the form book — Jelle Sels came in leading the head-to-head 2–0. Christopher Heyman claimed a first win over Jelle Sels in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-07-02 | M25 The Hague 1 | QF | clay | Jelle Sels | 6-3 6-0 |
| 2017-07-31 | Belgium F7 | R32 | clay | Jelle Sels | 7-6(0) 6-2 |
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About